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基于小波变换阈值去噪的MATLAB源代码
- 基于小波变换阈值去噪的MATLAB源代码(包含小波包去噪程序),Threshold de-noising based on wavelet transform of the MATLAB source code (including the wavelet packet de-noising procedure)
Wavelet.rar
- 小波包变换分析信号的MATLAB程序,可用于提取故障特征向量,Wavelet packet transform analysis of signals in MATLAB procedures, can be used to extract fault feature vector
wavelet
- 求小波包的信息熵,每一步骤带相应的文字说明-wavelet
wavepenergy
- 小波包能量代码,利用db1小波将信号分解和重构,然后计算小波系数的平方,进行正则化-Wavelet packet energy code, the use db1 wavelet signal decomposition and reconstruction, and then calculate the square of wavelet coefficients, the regularization
featureextraction
- 利用MATLAB实现一维信号时间序列的,特征提取,其中包括ICA和基于小波包的方法。-Use MATLAB to achieve one-dimensional time series signal, feature extraction, including the ICA and the method based on wavelet packet.
neuralandwavelet
- 对采集到的电压信号进行小波包分解提取特征向量,再进行BP神经网络训练-On the acquisition of the voltage signal to the wavelet packet decomposition to extract feature vector and then BP neural network training
Waveletpacket
- 小波包提取特征值。 matlab 往复式压缩机-Wavelet packet eigenvalue extraction. reciprocating compressor matlab
xiaobobao
- 对信号进行小波包分解并求取各个分量的功率谱-The signal wavelet packet decomposition and obtain the power spectrum of the various components
23825744rwt
- 这是小波包程序,好不容易从网上下的,希望对大家有用!-This is the wavelet packet procedures, under the hard-line, in the hope that useful!
wavelets
- 关于小波包多尺度分解与重构的学习资料,详细介绍了各函数的语法与用法-Some very useful multi-scale wavelet packet decomposition and reconstruction of information
MATLABwavelet
- 小波变换的matlab程序,包括离散小波变换,多尺度变换,小波包分析,小波用于图像压缩、水印、去噪-Matlab wavelet transform procedures, including the discrete wavelet transform, multi-scale transform, wavelet packet analysis, wavelet image compression, watermarking, denoising
waveletpacketsZHH
- wave:小波包分解,对信号进行小波包分解,将信号按频率成分分解出来,并且估计小波包能量-wave: wavelet packet decomposition, wavelet packet decomposition of the signal, the signal decomposition by frequency components out, and the estimated wavelet packet energy
Matlab
- 用于一维信号的小波包去噪,选取特定的阈值,采用最优小波基-For one-dimensional signal denoising using wavelet packet , select a specific threshold, the optimal wavelet
小波变换
- 集关于小波分析的matlab程序) 小波滤波器构造和消噪程序 小波谱分析mallat算法经典程序 小波包变换分析信号的MATLAB程序 利用小波变换实现对电能质量检测的算法实现 基于小波变换的图象去噪 Normalshrink算法
小波去噪软阈值和硬阈值的matlab仿真程序
- BA于MATLAB的小波包分析在信号降噪中的应用(Application of wavelet packet analysis of BA in MATLAB to signal denoising)
matlab代码
- 针对小波包去噪对含强白噪声的信号处理效果不理想问题,提出了基于互相关分析优化的VMD-小波包阈值去噪方法。该方法融合了VMD和小波包去噪的优势,通过VMD把含噪信号分解成若干个模态分量,根据互相关分析提出的临界相关系数从所有模态分量中搜寻极优模态分量,之后利用小波包阈值去噪对极优模态分量进行处理。实验结果表明,该方法对含强白噪声的信号去噪效果具有优势,能够保全信号的有效分量,克服了传统VMD去噪的盲目性,保证了去噪后信号的真实性。(Denoising by wavelet threshold t
小波包及能量频谱的MATLab算法
- 小波包及能量频谱的MATLab算法,相关代码及源程序(Matlab algorithm of wavelet packet and energy spectrum, relevant code and source program)
EMD+小波
- EMD+小波包分解算法matlab实现,能够分解,直接调用就行(Implementation of EMD with MATLAB)
8880短时傅里叶小波
- 对信号进行短时傅里叶变换和小波变换,观察其时频特性,压缩包中含有需要用到的测试信号文件,可以直接运行,供参考(Carry out short-time Fourier transform and wavelet transform on the signal, observe its time-frequency characteristics, and the compression package contains the test signal files needed, which ca
小波包变换代码
- 对脑电信号进行5层小波包分解,提取相应的节律波(The EEG signal was decomposed by 5-layer wavelet packet to extract the corresponding rhythmic wave)